Safety instructions
CX23-R and EX23-R a4275-8.0 enHBM: public 9
Conditions on site
For all modules:
Observe the maximum permissible ambient temperatures given in the
specifications.
Minimize device exposure to direct sunlight in hot operating environments.
Maintenance and cleaning
The modules are maintenance-free. Please note the following when cleaning the
housing:
Before cleaning, disconnect the equipment completely.
Clean the housing with a soft, slightly damp (not wet) cloth. Never use solvents,
since these could damage the labeling on the front panel and the display.
Do not apply high water pressure to the unit for cleaning.
General dangers of failing to follow the safety instructions
The module is a state of the art device and, as such, is fail-safe. The module may
give rise to further dangers if it is inappropriately installed and operated by untrained
personnel. Any person instructed to carry out installation, commissioning,
maintenance or repair of the module must have read and understood the User
Manuals and in particular the technical safety instructions.
Remaining dangers
The scope of supply and performance of the module covers only a small area of
measurement technology. In addition, equipment planners, installers and operators
should plan, implement and respond to the safety engineering considerations of
measurement technology in such a way as to minimize remaining dangers.
Prevailing regulations must be complied with at all times. There must be reference to
the remaining dangers connected with measurement technology. After making
settings and carrying out activities that are password-protected, you must make sure
that any controls that may be connected remain in safe condition until the switching
performance of the module has been tested.
Product liability
In the following cases, the protection provided for the device may be adversely
affected. Liability for device functionality then passes to the operator:
The device is not used in accordance with the operating manual.
The device is used outside the field of application described in this chapter.
The operator makes unauthorized changes to the device.
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